var onMore = function() {
	var flag = Dackage.$('.tool').style.height == '75vh'
	if (flag) {
		Dackage.setCss('.tool', 'height', '15vh')
	} else {
		Dackage.setCss('.tool', 'height', '75vh')
	}
}
onload = function() {
	Dackage.$('#more').addEventListener('click', onMore)
}